| Value | Category | Cases | |
|---|---|---|---|
| 1 | No, never | 3529 |
92.2%
|
| 2 | Yes, a few times | 133 |
3.5%
|
| 3 | Yes, most of the time | 63 |
1.6%
|
| 4 | Yes, all of the time | 77 |
2%
|
| 99 | Refused | 27 |
0.7%
|
| Sysmiss | 316 |